Canon Image Reader-A1 iR5000i Service Manual page 669

4.1.3 E002
4.1.4 E003
General condition
1) Turn on the main power switch, and clear E002/E003. Then, turn
NO:
General condition
2) Is the connection of the connectors on the DC controller PCB and
NO:
Main thermistor (TH1; mounting)
3) Is the thermistor in even contact with the fixing upper roller?
NO:
Main thermistor (TH1; soiling)
4) Clean the area of contact of the thermistor. Is the problem cor-
YES: End.
Main thermistor (TH1; faulty)
5) Try replacing the thermistor. Is the problem corrected?
YES: End.
Fixing heater (H1, H2), DC controller PCB
6) Try replacing the heater. Is the problem corrected?
YES: End.
NO:
4.1.5 E004
Fixing heater (H1, H2), AC driver PCB, DC controller PCB
1) Try replacing the fixing heater. Is the problem corrected?
YES: End.
2) Try replacing the AC driver PCB. Is the problem corrected?
YES: End.
NO:
4.1.6 E005
Fixing web
1) Is the fixing web taken up?
YES: Replace the web with a new one.
COPYRIGHT © 2001 CANON INC.
CHAPTER 4 TROUBLESHOOTING IMAGE FAULTS/MALFUNCTIONS
off and then on the main power switch. Is the fixing heater operat-
ing?
See "The fixing heater fails to operate."
in the fixing assembly good? In addition, is the wiring from the
thermistor to the DC controller PCB good?
Correct the connection/wiring.
Mount it correctly.
rected?
Replace the DC controller PCB.
Check the wiring; if normal, replace the DC controller PCB.
2000 2000 2000 2000 CANON iR5000i/iR6000i REV.0 JUNE 2001
4-21 T